diff --git a/services/core/java/com/android/server/AlarmManagerService.java b/services/core/java/com/android/server/AlarmManagerService.java
index c6af290..efb33ee 100644
--- a/services/core/java/com/android/server/AlarmManagerService.java
+++ b/services/core/java/com/android/server/AlarmManagerService.java
@@ -80,6 +80,7 @@
 import static android.app.AlarmManager.ELAPSED_REALTIME_WAKEUP;
 import static android.app.AlarmManager.ELAPSED_REALTIME;
 
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.LocalLog;
 
 class AlarmManagerService extends SystemService {
@@ -1384,14 +1385,7 @@
 
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump AlarmManager from from pid="
-                        + Binder.getCallingPid()
-                        + ", uid=" + Binder.getCallingUid());
-                return;
-            }
-
+            if (!DumpUtils.checkDumpPermission(getContext(), TAG, pw)) return;
             dumpImpl(pw);
         }
     };
diff --git a/services/core/java/com/android/server/AppOpsService.java b/services/core/java/com/android/server/AppOpsService.java
index a5e357c..422fe35 100644
--- a/services/core/java/com/android/server/AppOpsService.java
+++ b/services/core/java/com/android/server/AppOpsService.java
@@ -70,6 +70,7 @@
 import com.android.internal.app.IAppOpsCallback;
 import com.android.internal.os.Zygote;
 import com.android.internal.util.ArrayUtils;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.util.Preconditions;
 import com.android.internal.util.XmlUtils;
@@ -2028,13 +2029,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump ApOps service from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         if (args != null) {
             for (int i=0; i<args.length; i++) {
diff --git a/services/core/java/com/android/server/BatteryService.java b/services/core/java/com/android/server/BatteryService.java
index fd44794..83bd9eb 100644
--- a/services/core/java/com/android/server/BatteryService.java
+++ b/services/core/java/com/android/server/BatteryService.java
@@ -24,6 +24,7 @@
 import android.os.ShellCallback;
 import android.os.ShellCommand;
 import com.android.internal.app.IBatteryStats;
+import com.android.internal.util.DumpUtils;
 import com.android.server.am.BatteryStatsService;
 import com.android.server.lights.Light;
 import com.android.server.lights.LightsManager;
@@ -945,14 +946,7 @@
 
     private final class BinderService extends Binder {
         @Override protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-
-                pw.println("Permission Denial: can't dump Battery service from from pid="
-                        + Binder.getCallingPid()
-                        + ", uid=" + Binder.getCallingUid());
-                return;
-            }
+            if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
             if (args.length > 0 && "--proto".equals(args[0])) {
                 dumpProto(fd);
diff --git a/services/core/java/com/android/server/BluetoothManagerService.java b/services/core/java/com/android/server/BluetoothManagerService.java
index 58e8631..6c4895c 100644
--- a/services/core/java/com/android/server/BluetoothManagerService.java
+++ b/services/core/java/com/android/server/BluetoothManagerService.java
@@ -60,6 +60,7 @@
 import android.provider.Settings.SettingNotFoundException;
 import android.util.Slog;
 
+import com.android.internal.util.DumpUtils;
 import com.android.server.pm.PackageManagerService;
 
 import java.io.FileDescriptor;
@@ -2084,7 +2085,7 @@
 
     @Override
     public void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
-        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, writer)) return;
         String errorMsg = null;
 
         boolean protoOut = (args.length > 0) && args[0].startsWith("--proto");
diff --git a/services/core/java/com/android/server/CommonTimeManagementService.java b/services/core/java/com/android/server/CommonTimeManagementService.java
index 60b366a..07c8679 100644
--- a/services/core/java/com/android/server/CommonTimeManagementService.java
+++ b/services/core/java/com/android/server/CommonTimeManagementService.java
@@ -37,6 +37,7 @@
 import android.os.SystemProperties;
 import android.util.Log;
 
+import com.android.internal.util.DumpUtils;
 import com.android.server.net.BaseNetworkObserver;
 
 /**
@@ -177,13 +178,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println(String.format(
-                        "Permission Denial: can't dump CommonTimeManagement service from from " +
-                        "pid=%d, uid=%d", Binder.getCallingPid(), Binder.getCallingUid()));
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         if (!mDetectedAtStartup) {
             pw.println("Native Common Time service was not detected at startup.  " +
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index d02b726..0e752ff 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -125,6 +125,7 @@
 import com.android.internal.net.VpnInfo;
 import com.android.internal.net.VpnProfile;
 import com.android.internal.util.AsyncChannel;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.internal.util.MessageUtils;
 import com.android.internal.util.WakeupMessage;
@@ -1927,14 +1928,7 @@
     @Override
     protected void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
         final IndentingPrintWriter pw = new IndentingPrintWriter(writer, "  ");
-        if (mContext.checkCallingOrSelfPermission(
-                android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump ConnectivityService " +
-                    "from from pid=" + Binder.getCallingPid() + ", uid=" +
-                    Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         if (argsContain(args, "--diag")) {
             dumpNetworkDiagnostics(pw);
diff --git a/services/core/java/com/android/server/CountryDetectorService.java b/services/core/java/com/android/server/CountryDetectorService.java
index a478b2f..d8a2fe3 100644
--- a/services/core/java/com/android/server/CountryDetectorService.java
+++ b/services/core/java/com/android/server/CountryDetectorService.java
@@ -21,6 +21,7 @@
 import java.util.HashMap;
 
 import com.android.internal.os.BackgroundThread;
+import com.android.internal.util.DumpUtils;
 import com.android.server.location.ComprehensiveCountryDetector;
 
 import android.content.Context;
@@ -208,8 +209,7 @@
     @SuppressWarnings("unused")
     @Override
     protected void dump(FileDescriptor fd, PrintWriter fout, String[] args) {
-        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
-
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, fout)) return;
         if (!DEBUG) return;
         try {
             final Printer p = new PrintWriterPrinter(fout);
diff --git a/services/core/java/com/android/server/DeviceIdleController.java b/services/core/java/com/android/server/DeviceIdleController.java
index 26b15d8..8945952 100644
--- a/services/core/java/com/android/server/DeviceIdleController.java
+++ b/services/core/java/com/android/server/DeviceIdleController.java
@@ -81,6 +81,7 @@
 import com.android.internal.app.IBatteryStats;
 import com.android.internal.os.AtomicFile;
 import com.android.internal.os.BackgroundThread;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.util.XmlUtils;
 import com.android.server.am.BatteryStatsService;
@@ -2879,13 +2880,7 @@
     }
 
     void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump DeviceIdleController from from pid="
-                    + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
-                    + " without permission " + android.Manifest.permission.DUMP);
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(getContext(), TAG, pw)) return;
 
         if (args != null) {
             int userId = UserHandle.USER_SYSTEM;
diff --git a/services/core/java/com/android/server/DiskStatsService.java b/services/core/java/com/android/server/DiskStatsService.java
index 1bdff6b..7c51aa0 100644
--- a/services/core/java/com/android/server/DiskStatsService.java
+++ b/services/core/java/com/android/server/DiskStatsService.java
@@ -30,6 +30,7 @@
 import android.util.Slog;
 import android.util.proto.ProtoOutputStream;
 
+import com.android.internal.util.DumpUtils;
 import com.android.server.storage.DiskStatsFileLogger;
 import com.android.server.storage.DiskStatsLoggingService;
 
@@ -62,7 +63,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         // Run a quick-and-dirty performance test: write 512 bytes
         byte[] junk = new byte[512];
diff --git a/services/core/java/com/android/server/DockObserver.java b/services/core/java/com/android/server/DockObserver.java
index 122074b..e5a7b4e 100644
--- a/services/core/java/com/android/server/DockObserver.java
+++ b/services/core/java/com/android/server/DockObserver.java
@@ -35,6 +35,8 @@
 import android.util.Log;
 import android.util.Slog;
 
+import com.android.internal.util.DumpUtils;
+
 import java.io.FileDescriptor;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
@@ -252,14 +254,7 @@
     private final class BinderService extends Binder {
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump dock observer service from from pid="
-                        + Binder.getCallingPid()
-                        + ", uid=" + Binder.getCallingUid());
-                return;
-            }
-
+            if (!DumpUtils.checkDumpPermission(getContext(), TAG, pw)) return;
             final long ident = Binder.clearCallingIdentity();
             try {
                 synchronized (mLock) {
diff --git a/services/core/java/com/android/server/DropBoxManagerService.java b/services/core/java/com/android/server/DropBoxManagerService.java
index 040d22c..894bca3 100644
--- a/services/core/java/com/android/server/DropBoxManagerService.java
+++ b/services/core/java/com/android/server/DropBoxManagerService.java
@@ -40,6 +40,7 @@
 import libcore.io.IoUtils;
 
 import com.android.internal.os.IDropBoxManagerService;
+import com.android.internal.util.DumpUtils;
 
 import java.io.BufferedOutputStream;
 import java.io.File;
@@ -350,11 +351,7 @@
     }
 
     public synchronized void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: Can't dump DropBoxManagerService");
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(getContext(), TAG, pw)) return;
 
         try {
             init();
diff --git a/services/core/java/com/android/server/GraphicsStatsService.java b/services/core/java/com/android/server/GraphicsStatsService.java
index 19bedfb..7283dec 100644
--- a/services/core/java/com/android/server/GraphicsStatsService.java
+++ b/services/core/java/com/android/server/GraphicsStatsService.java
@@ -37,6 +37,8 @@
 import android.view.IGraphicsStats;
 import android.view.IGraphicsStatsCallback;
 
+import com.android.internal.util.DumpUtils;
+
 import java.io.File;
 import java.io.FileDescriptor;
 import java.io.IOException;
@@ -345,7 +347,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter fout, String[] args) {
-        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, fout)) return;
         boolean dumpProto = false;
         for (String str : args) {
             if ("--proto".equals(str)) {
diff --git a/services/core/java/com/android/server/InputMethodManagerService.java b/services/core/java/com/android/server/InputMethodManagerService.java
index e619e8b..39bfeda 100644
--- a/services/core/java/com/android/server/InputMethodManagerService.java
+++ b/services/core/java/com/android/server/InputMethodManagerService.java
@@ -33,6 +33,7 @@
 import com.android.internal.os.HandlerCaller;
 import com.android.internal.os.SomeArgs;
 import com.android.internal.os.TransferPipe;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.view.IInputContext;
 import com.android.internal.view.IInputMethod;
@@ -4378,14 +4379,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-
-            pw.println("Permission Denial: can't dump InputMethodManager from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         IInputMethod method;
         ClientState client;
diff --git a/services/core/java/com/android/server/LocationManagerService.java b/services/core/java/com/android/server/LocationManagerService.java
index 979096e..f0720f3 100644
--- a/services/core/java/com/android/server/LocationManagerService.java
+++ b/services/core/java/com/android/server/LocationManagerService.java
@@ -26,6 +26,7 @@
 import com.android.internal.location.ProviderRequest;
 import com.android.internal.os.BackgroundThread;
 import com.android.internal.util.ArrayUtils;
+import com.android.internal.util.DumpUtils;
 import com.android.server.location.ActivityRecognitionProxy;
 import com.android.server.location.FlpHardwareProvider;
 import com.android.server.location.FusedProxy;
@@ -3026,13 +3027,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump LocationManagerService from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         synchronized (mLock) {
             pw.println("Current Location Manager state:");
diff --git a/services/core/java/com/android/server/LockSettingsService.java b/services/core/java/com/android/server/LockSettingsService.java
index 6f3ff10..e26630b 100644
--- a/services/core/java/com/android/server/LockSettingsService.java
+++ b/services/core/java/com/android/server/LockSettingsService.java
@@ -79,6 +79,7 @@
 import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
 import com.android.internal.notification.SystemNotificationChannels;
 import com.android.internal.util.ArrayUtils;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.widget.ICheckCredentialProgressCallback;
 import com.android.internal.widget.ILockSettings;
 import com.android.internal.widget.LockPatternUtils;
@@ -2178,14 +2179,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args){
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-
-            pw.println("Permission Denial: can't dump LockSettingsService from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         synchronized (this) {
             pw.println("Current lock settings service state:");
diff --git a/services/core/java/com/android/server/NetworkManagementService.java b/services/core/java/com/android/server/NetworkManagementService.java
index 74328c0..ce4efd1 100644
--- a/services/core/java/com/android/server/NetworkManagementService.java
+++ b/services/core/java/com/android/server/NetworkManagementService.java
@@ -95,6 +95,7 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.app.IBatteryStats;
 import com.android.internal.net.NetworkStatsFactory;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.HexDump;
 import com.android.internal.util.Preconditions;
 import com.android.server.NativeDaemonConnector.Command;
@@ -2313,7 +2314,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        mContext.enforceCallingOrSelfPermission(DUMP, TAG);
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         pw.println("NetworkManagementService NativeDaemonConnector Log:");
         mConnector.dump(fd, pw, args);
diff --git a/services/core/java/com/android/server/NetworkScoreService.java b/services/core/java/com/android/server/NetworkScoreService.java
index 78c0fe6..a5debda 100644
--- a/services/core/java/com/android/server/NetworkScoreService.java
+++ b/services/core/java/com/android/server/NetworkScoreService.java
@@ -69,6 +69,7 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.content.PackageMonitor;
 import com.android.internal.os.TransferPipe;
+import com.android.internal.util.DumpUtils;
 
 import java.io.FileDescriptor;
 import java.io.IOException;
@@ -925,7 +926,7 @@
 
     @Override
     protected void dump(final FileDescriptor fd, final PrintWriter writer, final String[] args) {
-        mContext.enforceCallingOrSelfPermission(permission.DUMP, TAG);
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, writer)) return;
         final long token = Binder.clearCallingIdentity();
         try {
             NetworkScorerAppData currentScorer = mNetworkScorerAppManager.getActiveScorer();
diff --git a/services/core/java/com/android/server/NetworkTimeUpdateService.java b/services/core/java/com/android/server/NetworkTimeUpdateService.java
index b64c65d..ebcda44 100644
--- a/services/core/java/com/android/server/NetworkTimeUpdateService.java
+++ b/services/core/java/com/android/server/NetworkTimeUpdateService.java
@@ -40,6 +40,7 @@
 import android.util.TrustedTime;
 
 import com.android.internal.telephony.TelephonyIntents;
+import com.android.internal.util.DumpUtils;
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
@@ -323,15 +324,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump NetworkTimeUpdateService from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid()
-                    + " without permission "
-                    + android.Manifest.permission.DUMP);
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
         pw.print("PollingIntervalMs: ");
         TimeUtils.formatDuration(mPollingIntervalMs, pw);
         pw.print("\nPollingIntervalShorterMs: ");
diff --git a/services/core/java/com/android/server/NsdService.java b/services/core/java/com/android/server/NsdService.java
index a44b065..8ae95d5 100644
--- a/services/core/java/com/android/server/NsdService.java
+++ b/services/core/java/com/android/server/NsdService.java
@@ -41,6 +41,7 @@
 import java.util.concurrent.CountDownLatch;
 
 import com.android.internal.util.AsyncChannel;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.Protocol;
 import com.android.internal.util.State;
 import com.android.internal.util.StateMachine;
@@ -811,13 +812,7 @@
 
     @Override
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump ServiceDiscoverService from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         for (ClientInfo client : mClients.values()) {
             pw.println("Client Info");
diff --git a/services/core/java/com/android/server/PinnerService.java b/services/core/java/com/android/server/PinnerService.java
index fa5a52c..a94bf79 100644
--- a/services/core/java/com/android/server/PinnerService.java
+++ b/services/core/java/com/android/server/PinnerService.java
@@ -37,6 +37,7 @@
 
 import com.android.internal.app.ResolverActivity;
 import com.android.internal.os.BackgroundThread;
+import com.android.internal.util.DumpUtils;
 
 import dalvik.system.DexFile;
 import dalvik.system.VMRuntime;
@@ -333,7 +334,7 @@
     private final class BinderService extends Binder {
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
+            if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
             pw.println("Pinned Files:");
             synchronized(this) {
                 for (int i = 0; i < mPinnedFiles.size(); i++) {
diff --git a/services/core/java/com/android/server/SamplingProfilerService.java b/services/core/java/com/android/server/SamplingProfilerService.java
index fbf1aa4..5f92695 100644
--- a/services/core/java/com/android/server/SamplingProfilerService.java
+++ b/services/core/java/com/android/server/SamplingProfilerService.java
@@ -27,6 +27,7 @@
 import android.os.SystemProperties;
 import android.provider.Settings;
 import com.android.internal.os.SamplingProfilerIntegration;
+import com.android.internal.util.DumpUtils;
 
 import java.io.File;
 import java.io.FileDescriptor;
@@ -96,7 +97,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         pw.println("SamplingProfilerService:");
         pw.println("Watching directory: " + SNAPSHOT_DIR);
diff --git a/services/core/java/com/android/server/StorageManagerService.java b/services/core/java/com/android/server/StorageManagerService.java
index c68000a..d796098 100644
--- a/services/core/java/com/android/server/StorageManagerService.java
+++ b/services/core/java/com/android/server/StorageManagerService.java
@@ -102,6 +102,7 @@
 import com.android.internal.os.SomeArgs;
 import com.android.internal.os.Zygote;
 import com.android.internal.util.ArrayUtils;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.util.HexDump;
 import com.android.internal.util.IndentingPrintWriter;
@@ -3911,7 +3912,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
-        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, writer)) return;
 
         final IndentingPrintWriter pw = new IndentingPrintWriter(writer, "  ", 160);
         synchronized (mLock) {
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index 531df81..7c1a609 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -60,6 +60,7 @@
 import com.android.internal.telephony.PhoneConstantConversions;
 import com.android.internal.telephony.PhoneConstants;
 import com.android.internal.telephony.TelephonyIntents;
+import com.android.internal.util.DumpUtils;
 import com.android.server.am.BatteryStatsService;
 
 /**
@@ -1391,12 +1392,7 @@
 
     @Override
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump telephony.registry from from pid="
-                    + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
         synchronized (mRecords) {
             final int recordCount = mRecords.size();
             pw.println("last known state:");
diff --git a/services/core/java/com/android/server/TextServicesManagerService.java b/services/core/java/com/android/server/TextServicesManagerService.java
index feda273..9068745 100644
--- a/services/core/java/com/android/server/TextServicesManagerService.java
+++ b/services/core/java/com/android/server/TextServicesManagerService.java
@@ -25,6 +25,7 @@
 import com.android.internal.textservice.ISpellCheckerSessionListener;
 import com.android.internal.textservice.ITextServicesManager;
 import com.android.internal.textservice.ITextServicesSessionListener;
+import com.android.internal.util.DumpUtils;
 
 import org.xmlpull.v1.XmlPullParserException;
 
@@ -757,14 +758,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-
-            pw.println("Permission Denial: can't dump TextServicesManagerService from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         synchronized(mSpellCheckerMap) {
             pw.println("Current Text Services Manager state:");
diff --git a/services/core/java/com/android/server/UiModeManagerService.java b/services/core/java/com/android/server/UiModeManagerService.java
index 227e2a2..04421cc 100644
--- a/services/core/java/com/android/server/UiModeManagerService.java
+++ b/services/core/java/com/android/server/UiModeManagerService.java
@@ -60,6 +60,7 @@
 import com.android.internal.app.DisableCarModeActivity;
 import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
 import com.android.internal.notification.SystemNotificationChannels;
+import com.android.internal.util.DumpUtils;
 import com.android.server.power.ShutdownThread;
 import com.android.server.twilight.TwilightListener;
 import com.android.server.twilight.TwilightManager;
@@ -352,15 +353,7 @@
 
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-
-                pw.println("Permission Denial: can't dump uimode service from from pid="
-                        + Binder.getCallingPid()
-                        + ", uid=" + Binder.getCallingUid());
-                return;
-            }
-
+            if (!DumpUtils.checkDumpPermission(getContext(), TAG, pw)) return;
             dumpImpl(pw);
         }
     };
diff --git a/services/core/java/com/android/server/UpdateLockService.java b/services/core/java/com/android/server/UpdateLockService.java
index 7f33973..06f73e2 100644
--- a/services/core/java/com/android/server/UpdateLockService.java
+++ b/services/core/java/com/android/server/UpdateLockService.java
@@ -29,6 +29,8 @@
 import android.os.UserHandle;
 import android.util.Slog;
 
+import com.android.internal.util.DumpUtils;
+
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 
@@ -112,14 +114,7 @@
 
     @Override
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump update lock service from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
-
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
         mLocks.dump(pw);
     }
 }
diff --git a/services/core/java/com/android/server/VibratorService.java b/services/core/java/com/android/server/VibratorService.java
index c4676d1..678ae38 100644
--- a/services/core/java/com/android/server/VibratorService.java
+++ b/services/core/java/com/android/server/VibratorService.java
@@ -54,6 +54,7 @@
 
 import com.android.internal.app.IAppOpsService;
 import com.android.internal.app.IBatteryStats;
+import com.android.internal.util.DumpUtils;
 import com.android.server.power.BatterySaverPolicy.ServiceType;
 
 import java.io.FileDescriptor;
@@ -874,14 +875,8 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
-            pw.println("Permission Denial: can't dump vibrator service from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
         pw.println("Previous vibrations:");
         synchronized (mLock) {
             for (VibrationInfo info : mPreviousVibrations) {
diff --git a/services/core/java/com/android/server/accounts/AccountManagerService.java b/services/core/java/com/android/server/accounts/AccountManagerService.java
index ad2ed93..d996ee2 100644
--- a/services/core/java/com/android/server/accounts/AccountManagerService.java
+++ b/services/core/java/com/android/server/accounts/AccountManagerService.java
@@ -92,6 +92,7 @@
 import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
 import com.android.internal.notification.SystemNotificationChannels;
 import com.android.internal.util.ArrayUtils;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.internal.util.Preconditions;
 import com.android.server.LocalServices;
@@ -4867,13 +4868,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter fout, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            fout.println("Permission Denial: can't dump AccountsManager from from pid="
-                    + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
-                    + " without permission " + android.Manifest.permission.DUMP);
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, fout)) return;
         final boolean isCheckinRequest = scanArgs(args, "--checkin") || scanArgs(args, "-c");
         final IndentingPrintWriter ipw = new IndentingPrintWriter(fout, "  ");
 
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 81d0a7c..8282b94 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -350,6 +350,7 @@
 import com.android.internal.policy.IKeyguardDismissCallback;
 import com.android.internal.telephony.TelephonyIntents;
 import com.android.internal.util.ArrayUtils;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FastPrintWriter;
 import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.util.MemInfoReader;
@@ -2656,14 +2657,8 @@
 
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump meminfo from from pid="
-                        + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
-                        + " without permission " + android.Manifest.permission.DUMP);
-                return;
-            }
-
+            if (!DumpUtils.checkDumpPermission(mActivityManagerService.mContext,
+                    "meminfo", pw)) return;
             mActivityManagerService.dumpApplicationMemoryUsage(fd, pw, "  ", args, false, null);
         }
     }
@@ -2676,14 +2671,8 @@
 
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump gfxinfo from from pid="
-                        + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
-                        + " without permission " + android.Manifest.permission.DUMP);
-                return;
-            }
-
+            if (!DumpUtils.checkDumpPermission(mActivityManagerService.mContext,
+                    "gfxinfo", pw)) return;
             mActivityManagerService.dumpGraphicsHardwareUsage(fd, pw, args);
         }
     }
@@ -2696,14 +2685,8 @@
 
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump dbinfo from from pid="
-                        + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
-                        + " without permission " + android.Manifest.permission.DUMP);
-                return;
-            }
-
+            if (!DumpUtils.checkDumpPermission(mActivityManagerService.mContext,
+                    "dbinfo", pw)) return;
             mActivityManagerService.dumpDbInfo(fd, pw, args);
         }
     }
@@ -2716,14 +2699,8 @@
 
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump cpuinfo from from pid="
-                        + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
-                        + " without permission " + android.Manifest.permission.DUMP);
-                return;
-            }
-
+            if (!DumpUtils.checkDumpPermission(mActivityManagerService.mContext,
+                    "cpuinfo", pw)) return;
             synchronized (mActivityManagerService.mProcessCpuTracker) {
                 pw.print(mActivityManagerService.mProcessCpuTracker.printCurrentLoad());
                 pw.print(mActivityManagerService.mProcessCpuTracker.printCurrentState(
@@ -14758,15 +14735,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (checkCallingPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump ActivityManager from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid()
-                    + " without permission "
-                    + android.Manifest.permission.DUMP);
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         boolean dumpAll = false;
         boolean dumpClient = false;
diff --git a/services/core/java/com/android/server/am/BatteryStatsService.java b/services/core/java/com/android/server/am/BatteryStatsService.java
index d3935d1..938d2cf 100644
--- a/services/core/java/com/android/server/am/BatteryStatsService.java
+++ b/services/core/java/com/android/server/am/BatteryStatsService.java
@@ -59,6 +59,7 @@
 import com.android.internal.os.BatteryStatsHelper;
 import com.android.internal.os.BatteryStatsImpl;
 import com.android.internal.os.PowerProfile;
+import com.android.internal.util.DumpUtils;
 import com.android.server.LocalServices;
 import com.android.server.ServiceThread;
 import com.android.server.power.BatterySaverPolicy.ServiceType;
@@ -1188,13 +1189,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump BatteryStats from from pid="
-                    + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
-                    + " without permission " + android.Manifest.permission.DUMP);
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         int flags = 0;
         boolean useCheckinFormat = false;
diff --git a/services/core/java/com/android/server/am/ProcessStatsService.java b/services/core/java/com/android/server/am/ProcessStatsService.java
index d210ed7..b6ae33d 100644
--- a/services/core/java/com/android/server/am/ProcessStatsService.java
+++ b/services/core/java/com/android/server/am/ProcessStatsService.java
@@ -616,13 +616,8 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mAm.checkCallingPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump procstats from from pid="
-                    + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
-                    + " without permission " + android.Manifest.permission.DUMP);
-            return;
-        }
+        if (!com.android.internal.util.DumpUtils.checkDumpPermission(mAm.mContext,
+                TAG, pw)) return;
 
         long ident = Binder.clearCallingIdentity();
         try {
diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index 49d1521..70e56b0 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -114,6 +114,7 @@
 import android.view.KeyEvent;
 import android.view.accessibility.AccessibilityManager;
 
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.XmlUtils;
 import com.android.server.EventLogTags;
 import com.android.server.LocalServices;
@@ -6116,7 +6117,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         mMediaFocusControl.dump(pw);
         dumpStreamStates(pw);
diff --git a/services/core/java/com/android/server/connectivity/Tethering.java b/services/core/java/com/android/server/connectivity/Tethering.java
index 07ab067..0e593bd 100644
--- a/services/core/java/com/android/server/connectivity/Tethering.java
+++ b/services/core/java/com/android/server/connectivity/Tethering.java
@@ -70,6 +70,7 @@
 import com.android.internal.notification.SystemNotificationChannels;
 import com.android.internal.telephony.IccCardConstants;
 import com.android.internal.telephony.TelephonyIntents;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.internal.util.MessageUtils;
 import com.android.internal.util.Protocol;
@@ -1585,13 +1586,7 @@
         // Binder.java closes the resource for us.
         @SuppressWarnings("resource")
         final IndentingPrintWriter pw = new IndentingPrintWriter(writer, "  ");
-        if (mContext.checkCallingOrSelfPermission(
-                android.Manifest.permission.DUMP) != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump ConnectivityService.Tether " +
-                    "from from pid=" + Binder.getCallingPid() + ", uid=" +
-                    Binder.getCallingUid());
-                    return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         pw.println("Tethering:");
         pw.increaseIndent();
diff --git a/services/core/java/com/android/server/content/ContentService.java b/services/core/java/com/android/server/content/ContentService.java
index f47a9079..6e31e5d 100644
--- a/services/core/java/com/android/server/content/ContentService.java
+++ b/services/core/java/com/android/server/content/ContentService.java
@@ -60,6 +60,7 @@
 import android.util.SparseIntArray;
 
 import com.android.internal.annotations.GuardedBy;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.server.LocalServices;
 import com.android.server.SystemService;
@@ -162,9 +163,7 @@
 
     @Override
     protected synchronized void dump(FileDescriptor fd, PrintWriter pw_, String[] args) {
-        mContext.enforceCallingOrSelfPermission(Manifest.permission.DUMP,
-                "caller doesn't have the DUMP permission");
-
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw_)) return;
         final IndentingPrintWriter pw = new IndentingPrintWriter(pw_, "  ");
 
         // This makes it so that future permission checks will be in the context of this
diff --git a/services/core/java/com/android/server/display/DisplayManagerService.java b/services/core/java/com/android/server/display/DisplayManagerService.java
index fd89b97..a1a7437 100644
--- a/services/core/java/com/android/server/display/DisplayManagerService.java
+++ b/services/core/java/com/android/server/display/DisplayManagerService.java
@@ -23,6 +23,7 @@
 import static android.hardware.display.DisplayManager
         .VIRTUAL_DISPLAY_FLAG_CAN_SHOW_WITH_INSECURE_KEYGUARD;
 
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.IndentingPrintWriter;
 
 import android.Manifest;
@@ -1538,13 +1539,7 @@
 
         @Override // Binder call
         public void dump(FileDescriptor fd, final PrintWriter pw, String[] args) {
-            if (mContext == null
-                    || mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP)
-                            != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump DisplayManager from from pid="
-                        + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
-                return;
-            }
+            if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
             final long token = Binder.clearCallingIdentity();
             try {
diff --git a/services/core/java/com/android/server/dreams/DreamManagerService.java b/services/core/java/com/android/server/dreams/DreamManagerService.java
index 1991c00..313abab 100644
--- a/services/core/java/com/android/server/dreams/DreamManagerService.java
+++ b/services/core/java/com/android/server/dreams/DreamManagerService.java
@@ -479,14 +479,7 @@
     private final class BinderService extends IDreamManager.Stub {
         @Override // Binder call
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump DreamManager from from pid="
-                        + Binder.getCallingPid()
-                        + ", uid=" + Binder.getCallingUid());
-                return;
-            }
-
+            if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
             final long ident = Binder.clearCallingIdentity();
             try {
                 dumpInternal(pw);
diff --git a/services/core/java/com/android/server/fingerprint/FingerprintService.java b/services/core/java/com/android/server/fingerprint/FingerprintService.java
index 7d97ce4..2b85570 100644
--- a/services/core/java/com/android/server/fingerprint/FingerprintService.java
+++ b/services/core/java/com/android/server/fingerprint/FingerprintService.java
@@ -56,6 +56,7 @@
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.util.DumpUtils;
 import com.android.server.SystemServerInitThreadPool;
 import com.android.server.SystemService;
 
@@ -1071,13 +1072,7 @@
 
         @Override // Binder call
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump Fingerprint from from pid="
-                        + Binder.getCallingPid()
-                        + ", uid=" + Binder.getCallingUid());
-                return;
-            }
+            if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
             final long ident = Binder.clearCallingIdentity();
             try {
diff --git a/services/core/java/com/android/server/hdmi/HdmiControlService.java b/services/core/java/com/android/server/hdmi/HdmiControlService.java
index 6864e1e..807b1b1 100644
--- a/services/core/java/com/android/server/hdmi/HdmiControlService.java
+++ b/services/core/java/com/android/server/hdmi/HdmiControlService.java
@@ -68,6 +68,7 @@
 import android.util.SparseArray;
 import android.util.SparseIntArray;
 import com.android.internal.annotations.GuardedBy;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.server.SystemService;
 import com.android.server.hdmi.HdmiAnnotations.ServiceThreadOnly;
@@ -1677,7 +1678,7 @@
 
         @Override
         protected void dump(FileDescriptor fd, final PrintWriter writer, String[] args) {
-            getContext().enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
+            if (!DumpUtils.checkDumpPermission(getContext(), TAG, writer)) return;
             final IndentingPrintWriter pw = new IndentingPrintWriter(writer, "  ");
 
             pw.println("mHdmiControlEnabled: " + mHdmiControlEnabled);
diff --git a/services/core/java/com/android/server/input/InputManagerService.java b/services/core/java/com/android/server/input/InputManagerService.java
index 65a4604..aafc9a8 100644
--- a/services/core/java/com/android/server/input/InputManagerService.java
+++ b/services/core/java/com/android/server/input/InputManagerService.java
@@ -27,6 +27,7 @@
 import com.android.internal.notification.SystemNotificationChannels;
 import com.android.internal.os.SomeArgs;
 import com.android.internal.R;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.Preconditions;
 import com.android.internal.util.XmlUtils;
 import com.android.server.DisplayThread;
@@ -1747,13 +1748,7 @@
 
     @Override
     public void dump(FileDescriptor fd, final PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump InputManager from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         pw.println("INPUT MANAGER (dumpsys input)\n");
         String dumpStr = nativeDump(mPtr);
diff --git a/services/core/java/com/android/server/job/JobSchedulerService.java b/services/core/java/com/android/server/job/JobSchedulerService.java
index 2de9aae..5e05738 100644
--- a/services/core/java/com/android/server/job/JobSchedulerService.java
+++ b/services/core/java/com/android/server/job/JobSchedulerService.java
@@ -72,6 +72,7 @@
 import com.android.internal.app.IBatteryStats;
 import com.android.internal.app.procstats.ProcessStats;
 import com.android.internal.util.ArrayUtils;
+import com.android.internal.util.DumpUtils;
 import com.android.server.DeviceIdleController;
 import com.android.server.LocalServices;
 import com.android.server.job.JobStore.JobStatusFunctor;
@@ -1790,7 +1791,7 @@
          */
         @Override
         public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            getContext().enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
+            if (!DumpUtils.checkDumpPermission(getContext(), TAG, pw)) return;
 
             long identityToken = Binder.clearCallingIdentity();
             try {
diff --git a/services/core/java/com/android/server/location/ContextHubService.java b/services/core/java/com/android/server/location/ContextHubService.java
index 0a15db6..5e9f355 100644
--- a/services/core/java/com/android/server/location/ContextHubService.java
+++ b/services/core/java/com/android/server/location/ContextHubService.java
@@ -31,6 +31,8 @@
 import android.os.RemoteException;
 import android.util.Log;
 
+import com.android.internal.util.DumpUtils;
+
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.nio.ByteBuffer;
@@ -242,11 +244,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission("android.permission.DUMP")
-            != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump contexthub service");
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         pw.println("Dumping ContextHub Service");
 
diff --git a/services/core/java/com/android/server/media/MediaRouterService.java b/services/core/java/com/android/server/media/MediaRouterService.java
index f91ea8c..7b0e51e 100644
--- a/services/core/java/com/android/server/media/MediaRouterService.java
+++ b/services/core/java/com/android/server/media/MediaRouterService.java
@@ -16,6 +16,7 @@
 
 package com.android.server.media;
 
+import com.android.internal.util.DumpUtils;
 import com.android.server.Watchdog;
 
 import android.Manifest;
@@ -258,13 +259,7 @@
     // Binder call
     @Override
     public void dump(FileDescriptor fd, final PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump MediaRouterService from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         pw.println("MEDIA ROUTER SERVICE (dumpsys media_router)");
         pw.println();
diff --git a/services/core/java/com/android/server/media/MediaSessionService.java b/services/core/java/com/android/server/media/MediaSessionService.java
index 4bf9d8f..64ab848 100644
--- a/services/core/java/com/android/server/media/MediaSessionService.java
+++ b/services/core/java/com/android/server/media/MediaSessionService.java
@@ -71,6 +71,7 @@
 import android.view.KeyEvent;
 import android.view.ViewConfiguration;
 
+import com.android.internal.util.DumpUtils;
 import com.android.server.LocalServices;
 import com.android.server.SystemService;
 import com.android.server.Watchdog;
@@ -1283,13 +1284,7 @@
 
         @Override
         public void dump(FileDescriptor fd, final PrintWriter pw, String[] args) {
-            if (getContext().checkCallingOrSelfPermission(Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump MediaSessionService from from pid="
-                        + Binder.getCallingPid()
-                        + ", uid=" + Binder.getCallingUid());
-                return;
-            }
+            if (!DumpUtils.checkDumpPermission(getContext(), TAG, pw)) return;
 
             pw.println("MEDIA SESSION SERVICE (dumpsys media_session)");
             pw.println();
diff --git a/services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java b/services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java
index 3ea4f2c..9d92cbc 100644
--- a/services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java
+++ b/services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java
@@ -39,6 +39,7 @@
 import android.util.ArrayMap;
 import android.util.Slog;
 
+import com.android.internal.util.DumpUtils;
 import com.android.server.SystemService;
 
 import java.io.FileDescriptor;
@@ -314,14 +315,7 @@
 
         @Override // Binder call
         public void dump(FileDescriptor fd, final PrintWriter pw, String[] args) {
-            if (mContext == null
-                    || mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump MediaProjectionManager from from pid="
-                        + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
-                return;
-            }
-
+            if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
             final long token = Binder.clearCallingIdentity();
             try {
                 MediaProjectionManagerService.this.dump(pw);
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index f180c50..8227753 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -181,6 +181,7 @@
 import com.android.internal.notification.SystemNotificationChannels;
 import com.android.internal.telephony.PhoneConstants;
 import com.android.internal.util.ArrayUtils;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.server.DeviceIdleController;
@@ -2585,7 +2586,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
-        mContext.enforceCallingOrSelfPermission(DUMP, TAG);
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, writer)) return;
 
         final IndentingPrintWriter fout = new IndentingPrintWriter(writer, "  ");
 
diff --git a/services/core/java/com/android/server/net/NetworkStatsService.java b/services/core/java/com/android/server/net/NetworkStatsService.java
index 6d666e8..e746355 100644
--- a/services/core/java/com/android/server/net/NetworkStatsService.java
+++ b/services/core/java/com/android/server/net/NetworkStatsService.java
@@ -122,6 +122,7 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.net.VpnInfo;
 import com.android.internal.util.ArrayUtils;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FileRotator;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.server.EventLogTags;
@@ -1234,7 +1235,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter rawWriter, String[] args) {
-        mContext.enforceCallingOrSelfPermission(DUMP, TAG);
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, rawWriter)) return;
 
         long duration = DateUtils.DAY_IN_MILLIS;
         final HashSet<String> argSet = new HashSet<String>();
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index ede5a5e..4a963c7 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -144,6 +144,7 @@
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.internal.statusbar.NotificationVisibility;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.util.Preconditions;
 import com.android.server.DeviceIdleController;
@@ -2451,14 +2452,7 @@
 
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump NotificationManager from pid="
-                        + Binder.getCallingPid()
-                        + ", uid=" + Binder.getCallingUid());
-                return;
-            }
-
+            if (!DumpUtils.checkDumpPermission(getContext(), TAG, pw)) return;
             final DumpFilter filter = DumpFilter.parseFromArguments(args);
             if (filter != null && filter.stats) {
                 dumpJson(pw, filter);
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 2115f31..3c58d97 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -254,6 +254,7 @@
 import com.android.internal.telephony.CarrierAppUtils;
 import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.ConcurrentUtils;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FastPrintWriter;
 import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.util.IndentingPrintWriter;
@@ -20230,15 +20231,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump ActivityManager from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid()
-                    + " without permission "
-                    + android.Manifest.permission.DUMP);
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         DumpState dumpState = new DumpState();
         boolean fullPreferred = false;
diff --git a/services/core/java/com/android/server/pm/ShortcutService.java b/services/core/java/com/android/server/pm/ShortcutService.java
index a5b739e..6ddd3b3 100644
--- a/services/core/java/com/android/server/pm/ShortcutService.java
+++ b/services/core/java/com/android/server/pm/ShortcutService.java
@@ -96,6 +96,7 @@
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.os.BackgroundThread;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.util.Preconditions;
 import com.android.server.LocalServices;
@@ -3447,8 +3448,7 @@
 
     @Override
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        enforceCallingOrSelfPermission(android.Manifest.permission.DUMP,
-                "can't dump by this caller");
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
         boolean checkin = false;
         boolean clear = false;
         if (args != null) {
diff --git a/services/core/java/com/android/server/pm/UserManagerService.java b/services/core/java/com/android/server/pm/UserManagerService.java
index 8ecf6f7..63e2d47 100644
--- a/services/core/java/com/android/server/pm/UserManagerService.java
+++ b/services/core/java/com/android/server/pm/UserManagerService.java
@@ -89,6 +89,7 @@
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.app.IAppOpsService;
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.util.Preconditions;
 import com.android.internal.util.XmlUtils;
@@ -3358,15 +3359,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump UserManager from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid()
-                    + " without permission "
-                    + android.Manifest.permission.DUMP);
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, LOG_TAG, pw)) return;
 
         long now = System.currentTimeMillis();
         StringBuilder sb = new StringBuilder();
diff --git a/services/core/java/com/android/server/power/PowerManagerService.java b/services/core/java/com/android/server/power/PowerManagerService.java
index 4f67e8c..9c4e700 100644
--- a/services/core/java/com/android/server/power/PowerManagerService.java
+++ b/services/core/java/com/android/server/power/PowerManagerService.java
@@ -75,6 +75,7 @@
 import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.internal.os.BackgroundThread;
 import com.android.internal.util.ArrayUtils;
+import com.android.internal.util.DumpUtils;
 import com.android.server.EventLogTags;
 import com.android.server.LockGuard;
 import com.android.server.RescueParty;
@@ -4503,13 +4504,7 @@
 
         @Override // Binder call
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump PowerManager from from pid="
-                        + Binder.getCallingPid()
-                        + ", uid=" + Binder.getCallingUid());
-                return;
-            }
+            if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
             final long ident = Binder.clearCallingIdentity();
 
diff --git a/services/core/java/com/android/server/search/SearchManagerService.java b/services/core/java/com/android/server/search/SearchManagerService.java
index edeb774..8c31731 100644
--- a/services/core/java/com/android/server/search/SearchManagerService.java
+++ b/services/core/java/com/android/server/search/SearchManagerService.java
@@ -47,6 +47,7 @@
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.content.PackageMonitor;
 import com.android.internal.os.BackgroundThread;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.server.LocalServices;
 import com.android.server.SystemService;
@@ -371,7 +372,7 @@
 
     @Override
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         IndentingPrintWriter ipw = new IndentingPrintWriter(pw, "  ");
         synchronized (mSearchables) {
diff --git a/services/core/java/com/android/server/statusbar/StatusBarManagerService.java b/services/core/java/com/android/server/statusbar/StatusBarManagerService.java
index 83ea075..212bd61 100644
--- a/services/core/java/com/android/server/statusbar/StatusBarManagerService.java
+++ b/services/core/java/com/android/server/statusbar/StatusBarManagerService.java
@@ -39,6 +39,7 @@
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.internal.statusbar.NotificationVisibility;
 import com.android.internal.statusbar.StatusBarIcon;
+import com.android.internal.util.DumpUtils;
 import com.android.server.LocalServices;
 import com.android.server.notification.NotificationDelegate;
 import com.android.server.power.ShutdownThread;
@@ -981,13 +982,7 @@
     // ================================================================================
 
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump StatusBar from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         synchronized (mLock) {
             pw.println("  mDisabled1=0x" + Integer.toHexString(mDisabled1));
diff --git a/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java b/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java
index a847a3c..275b612 100644
--- a/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java
+++ b/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java
@@ -20,6 +20,7 @@
 
 import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
 import com.android.internal.notification.SystemNotificationChannels;
+import com.android.internal.util.DumpUtils;
 import com.android.server.EventLogTags;
 import com.android.server.SystemService;
 import com.android.server.pm.InstructionSets;
@@ -467,15 +468,7 @@
     private final Binder mRemoteService = new Binder() {
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-
-                pw.println("Permission Denial: can't dump " + SERVICE + " from from pid="
-                        + Binder.getCallingPid()
-                        + ", uid=" + Binder.getCallingUid());
-                return;
-            }
-
+            if (!DumpUtils.checkDumpPermission(getContext(), TAG, pw)) return;
             dumpImpl(fd, pw, args);
         }
 
diff --git a/services/core/java/com/android/server/trust/TrustManagerService.java b/services/core/java/com/android/server/trust/TrustManagerService.java
index 4570b0d..f4f7e24 100644
--- a/services/core/java/com/android/server/trust/TrustManagerService.java
+++ b/services/core/java/com/android/server/trust/TrustManagerService.java
@@ -59,6 +59,7 @@
 import android.view.WindowManagerGlobal;
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.content.PackageMonitor;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.server.SystemService;
 import java.io.FileDescriptor;
@@ -849,8 +850,7 @@
 
         @Override
         protected void dump(FileDescriptor fd, final PrintWriter fout, String[] args) {
-            mContext.enforceCallingPermission(Manifest.permission.DUMP,
-                    "dumping TrustManagerService");
+            if (!DumpUtils.checkDumpPermission(mContext, TAG, fout)) return;
             if (isSafeMode()) {
                 fout.println("disabled because the system is in safe mode.");
                 return;
diff --git a/services/core/java/com/android/server/tv/TvInputHardwareManager.java b/services/core/java/com/android/server/tv/TvInputHardwareManager.java
index 08eca73..6117da7 100644
--- a/services/core/java/com/android/server/tv/TvInputHardwareManager.java
+++ b/services/core/java/com/android/server/tv/TvInputHardwareManager.java
@@ -59,6 +59,7 @@
 import android.view.KeyEvent;
 import android.view.Surface;
 
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.server.SystemService;
 
@@ -549,12 +550,7 @@
 
     public void dump(FileDescriptor fd, final PrintWriter writer, String[] args) {
         final IndentingPrintWriter pw = new IndentingPrintWriter(writer, "  ");
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump TvInputHardwareManager from pid="
-                    + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         synchronized (mLock) {
             pw.println("TvInputHardwareManager Info:");
diff --git a/services/core/java/com/android/server/tv/TvInputManagerService.java b/services/core/java/com/android/server/tv/TvInputManagerService.java
index 52763a1..be91f48 100644
--- a/services/core/java/com/android/server/tv/TvInputManagerService.java
+++ b/services/core/java/com/android/server/tv/TvInputManagerService.java
@@ -77,6 +77,7 @@
 
 import com.android.internal.content.PackageMonitor;
 import com.android.internal.os.SomeArgs;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.IndentingPrintWriter;
 import com.android.server.IoThread;
 import com.android.server.SystemService;
@@ -1912,12 +1913,7 @@
         @SuppressWarnings("resource")
         protected void dump(FileDescriptor fd, final PrintWriter writer, String[] args) {
             final IndentingPrintWriter pw = new IndentingPrintWriter(writer, "  ");
-            if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump TvInputManager from pid="
-                        + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
-                return;
-            }
+            if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
             synchronized (mLock) {
                 pw.println("User Ids (Current user: " + mCurrentUserId + "):");
diff --git a/services/core/java/com/android/server/vr/VrManagerService.java b/services/core/java/com/android/server/vr/VrManagerService.java
index 324faff..cc08918 100644
--- a/services/core/java/com/android/server/vr/VrManagerService.java
+++ b/services/core/java/com/android/server/vr/VrManagerService.java
@@ -55,6 +55,7 @@
 import android.util.SparseArray;
 
 import com.android.internal.R;
+import com.android.internal.util.DumpUtils;
 import com.android.server.LocalServices;
 import com.android.server.SystemConfig;
 import com.android.server.SystemService;
@@ -444,12 +445,8 @@
 
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-                pw.println("Permission Denial: can't dump VrManagerService from pid="
-                        + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
-                return;
-            }
+            if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
+
             pw.println("********* Dump of VrManagerService *********");
             pw.println("VR mode is currently: " + ((mVrModeAllowed) ? "allowed" : "disallowed"));
             pw.println("Persistent VR mode is currently: " +
diff --git a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
index c6b032b..6a18beb 100644
--- a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
+++ b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
@@ -87,6 +87,7 @@
 import com.android.internal.R;
 import com.android.internal.content.PackageMonitor;
 import com.android.internal.os.BackgroundThread;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.util.JournaledFile;
 import com.android.server.EventLogTags;
@@ -2297,14 +2298,7 @@
 
     @Override
     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                != PackageManager.PERMISSION_GRANTED) {
-
-            pw.println("Permission Denial: can't dump wallpaper service from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         synchronized (mLock) {
             pw.println("System wallpaper state:");
diff --git a/services/core/java/com/android/server/webkit/WebViewUpdateService.java b/services/core/java/com/android/server/webkit/WebViewUpdateService.java
index 4a105e1..3b400b4 100644
--- a/services/core/java/com/android/server/webkit/WebViewUpdateService.java
+++ b/services/core/java/com/android/server/webkit/WebViewUpdateService.java
@@ -33,6 +33,7 @@
 import android.webkit.WebViewProviderInfo;
 import android.webkit.WebViewProviderResponse;
 
+import com.android.internal.util.DumpUtils;
 import com.android.server.SystemService;
 
 import java.io.FileDescriptor;
@@ -293,14 +294,7 @@
 
         @Override
         protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-            if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
-                    != PackageManager.PERMISSION_GRANTED) {
-
-                pw.println("Permission Denial: can't dump webviewupdate service from pid="
-                        + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
-                return;
-            }
-
+            if (!DumpUtils.checkDumpPermission(getContext(), TAG, pw)) return;
             WebViewUpdateService.this.mImpl.dumpState(pw);
         }
     }
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 6c7da50..95fbbb8 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -204,6 +204,7 @@
 import com.android.internal.os.IResultReceiver;
 import com.android.internal.policy.IKeyguardDismissCallback;
 import com.android.internal.policy.IShortcutService;
+import com.android.internal.util.DumpUtils;
 import com.android.internal.util.FastPrintWriter;
 import com.android.internal.view.IInputContext;
 import com.android.internal.view.IInputMethodClient;
@@ -6517,13 +6518,7 @@
 
     @Override
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        if (mContext.checkCallingOrSelfPermission("android.permission.DUMP")
-                != PackageManager.PERMISSION_GRANTED) {
-            pw.println("Permission Denial: can't dump WindowManager from from pid="
-                    + Binder.getCallingPid()
-                    + ", uid=" + Binder.getCallingUid());
-            return;
-        }
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
 
         boolean dumpAll = false;